How are antibodies and T-cells related?

•T-cells produce antibodies.
•Antibodies produce T-cells.
•Antibodies and T-cells are both immune cells.
•Antibodies and T-cells are both generated by the lymphatic system

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

How does upwelling affect coastal fisheries? upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water. upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water. upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water. upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.